JP7100495B2 - Engagement structure for raising and lowering - Google Patents

Description

The present invention relates to various lifting and lowering engagement structures such as French drop, Nanjing drop, and Gremon lock.

For parent and child doors that combine large and small doors, it is common to provide a lift such as a French drop on the child door side.

The French drop rod locks the child door by engaging the tip with the receiver on the door frame side. In this case, the receiver is configured by, for example, providing a mounting flange on the peripheral edge of a long-hole-shaped bottomed receiver in which the tip of a rod that advances and retreats in the axial direction engages and disengages (for example, Patent Document 1). .. Therefore, the receiver is embedded by storing the receiver in a notch or recess formed in the frame material, and is fixed to the frame material via a flange.

FIGS. 7 to 9 of JP-A-2017-179779

According to the conventional technique, the receiver is buried by storing the receiver in a notch or recess in the door frame. Therefore, for example, when the door is repaired, the frame material should be provided with a notch or recess. However, there were many cases where it was difficult, and there was a problem that the construction could be hindered.

Therefore, an object of the present invention is to combine a rod with a dead bolt urged via a spring and a flat plate material receiver in view of the problem of the prior art, thereby hindering the repair work of the door. It is an object of the present invention to provide an engaging structure for raising and lowering, which is unlikely to cause a problem.

The configuration of the present invention for achieving such an object is provided with a rod that moves up and down in the axial direction and a receiver for the rod, and a dead bolt that is urged via a spring is provided at the tip of the rod. Attached so that it can be moved and adjusted in the axial direction, the receiver fixes a flat plate material with an engagement hole that matches the outer diameter of the dead bolt to the surface of the frame material, and the dead bolt has a flat tip surface and is a flat plate. The gist is that when the material enters the engagement hole by the thickness corresponding to the plate thickness, it abuts on the surface of the frame material and stops, and at the same time, engages with the engagement hole to lock the door.

The engagement hole can be formed in a rectangular shape in which the extension direction of the short side having a length suitable for the outer diameter of the dead bolt is the opening / closing direction of the door.

Further, the receiver may form a long hole for temporary fixing for adjustment and fixing that is long in the opening / closing direction of the door, and a round hole for positioning and fixing. May be chamfered.

According to the configuration of the present invention, the receiver only needs to fix a flat plate material with an engaging hole to the surface of the frame material, and it is not necessary to form a notch or a recess in the frame material, so that it is easy to install. In addition, there is no risk of hindering door repair work. Since the rod has a dead bolt attached to the tip via a spring, the tip of the dead bolt is inserted into the engaging hole for receiving the rod to engage with the rod, and the rod is stopped by hitting the surface of the frame material. Therefore, the door side can be securely locked. Further, the extra stroke in the axial direction of the rod is absorbed by the contraction of the spring, and even if the receiver has no receiver, it can be combined without any problem.

The rectangular engaging hole formed in the receiver does not cause harmful rattling of the locked door by adapting the short side side in the opening / closing direction of the door to the outer diameter of the dead bolt. Further, the engaging hole can facilitate the mounting work of the receiver by roughly setting the mounting accuracy in the long side direction orthogonal to the opening / closing direction of the door.

By using the elongated hole for temporary fixing of the receiver, it is possible to further facilitate the positioning of the door in the opening / closing direction, which requires mounting accuracy. That is, the receiver may be fixed by using the round hole for positioning and fixing after adjusting and temporarily fixing the receiver to the required mounting accuracy by using the elongated hole.

By chamfering the peripheral portions of the long holes for temporary adjustment and the round holes for positioning and fixing, the receiver can be easily and accurately fixed to the frame material via the countersunk tapping screw.

Schematic diagram of the overall configuration Key part configuration explanatory diagram (1) Key part configuration explanatory diagram (2)

Hereinafter, embodiments of the invention will be described with reference to the drawings.

The engaging structure for raising and lowering is a combination of the raising and lowering rod 11 and the receiver 20 on the door frame 30 side corresponding to the rod 11 (FIG. 1). However, FIGS. 1 (A) and 1 (B) are a schematic vertical cross-sectional view of the upper part of the door frame 30, and a schematic cross-sectional view corresponding to an X-ray arrow in FIG. 1 (A), respectively.

The door frame 30 is configured by connecting an upper frame 32 to the upper ends of the left and right vertical frames 31 and 31 and combining a lower frame (not shown). Each of the vertical frame 31 and the upper frame 32 as the frame material is formed by bending a plate material, respectively, so that the ridges 31a and 32a for blindfolding are formed in the central portion on the inner surface side. Further, the main door 33 and the child door 34 are freely opened and closed on the left and right vertical frames 31 and 31 via hinges 33a and 34a, respectively.

The rod 11 moves forward and backward in the axial direction via a raising / lowering (not shown) mounted on the door end side of the child door 34 (direction of arrow K1 in FIG. 1A). A dead bolt 12 is attached to the tip of the rod 11 (FIGS. 1 and 2). However, FIGS. 2A and 2B are a partial vertical sectional view and an exploded perspective view of the tip portion of the rod 11 including the dead bolt 12, respectively.

The dead bolt 12 is formed with a bottomed shaft hole 12a that matches the outer diameter of the rod 11. Further, the dead bolt 12 is formed with a long hole 12b in the bus direction that communicates with the shaft hole 12a. The shaft hole 12a contains a spring 13 for urging the dead bolt 12 in the axial direction, and the rod 11 is retracted from the shaft hole 12a via a lateral spring pin 11a inserted through the elongated hole 12b. ing. Therefore, the dead bolt 12 can be moved and adjusted in the axial direction within the range of the length of the elongated hole 12b, and is urged toward the tip end by the spring 13 over the entire stroke of the moving range.

The receiver 20 is a substantially rectangular flat plate material forming a rectangular engaging hole 21, a pair of elongated holes 22, 22, and round holes 23, 23 (FIGS. 1 and 3). However, FIGS. 3A and 3B are a plan view of the receiver 20 and a schematic view corresponding to the central vertical cross section, respectively.

The short side of the engaging hole 21 conforms to the outer diameter of the dead bolt 12. Further, each elongated hole 22 is formed long in the short side direction of the engaging hole 21. Chamfers 22a and 23a for the countersunk tapping screws 24 for mounting are provided on the peripheral portions of the elongated holes 22 and the round holes 23, respectively.

The receiver 20 is fixed downward to the surface on the lower surface side of the upper frame 32 so as to face the rod 11 and the dead bolt 12 on the door end side of the child door 34 (FIG. 1).

In the receiver 20, the short side of the engagement hole 21 is the opening / closing direction of the main door 33 and the child door 34 via the countersunk tapping screws 24, 24 ... It shall be mounted and fixed by adjusting the position so that it is in the direction of each arrow K3 and K4 in B) and so that the dead bolt 12 can correctly enter the engagement hole 21. Each elongated hole 22 of the receiver 20 is for temporary adjustment and fixing, and each round hole 23 is for positioning and fixing. That is, first, using the elongated holes 22 and 22, the receiving 20 is correctly positioned and temporarily fixed via the dish tapping screws 24 and 24, and then another dish tapping to be inserted into the round holes 23 and 23. The receiver 20 is positioned and fixed via the screws 24, 24, and all the dish tapping screws 24, 24 ... Are tightened. Each elongated hole 22 is formed so that the countersunk tapping screw 24 has a slight adjustment margin in the direction orthogonal to the length direction in addition to the length direction.

Therefore, when the child door 34 is closed, the rod 11 is received via raising and lowering, and the rod 11 is advanced toward 20, the dead bolt 12 enters the engagement hole 21, abuts on the surface of the upper frame 32, and stops. The spring 13 is compressed and the dead bolt 12 retracts relative to the rod 11, and the dead bolt 12 engages with the engagement hole 21 to securely lock the child door 34.

In the above description, the raising / dropping may be any of France dropping, Nanjing dropping (round dropping), Gremon lock, etc., and may be mounted on any of the child door 34 and the parent door 33. Further, the receiver 20 is not limited to the upper frame 32, and may be attached to any frame material including the vertical frame 31 and the lower frame (not shown) according to the direction of the rod 11. On the other hand, the frame material may be made of an extruded profile or any material such as wood, in addition to the plate material shown in the figure. Further, the present invention can be applied not only to a parent-child door including a parent door 33 and a child door 34, but also to other arbitrary types of doors, doors, windows and the like.

The present invention can be widely and suitably applied to various combinations of raising and lowering rods and receivers used for any purpose.

11 ... Rod 12 ... Dead bolt 13 ... Spring 20 ... Receiving 21 ... Engagement hole 22 ... Long hole 22a ... Chamfering 23 ... Round hole 23a ... Chamfering 24 ... Dish tapping screw

Patent applicant Komatsu Wall Industry Co., Ltd.

Claims (4)

A rod that moves up and down in the axial direction and a receiver for the rod are provided, and a dead bolt that is urged via a spring is attached to the tip of the rod so as to be movable and adjustable in the axial direction. The receiver fixes a flat plate material with an engaging hole that matches the outer diameter of the dead bolt to the surface of the frame material, and the dead bolt has a flat tip surface and is equivalent to the plate thickness of the flat plate material. An engaging structure for raising and lowering, characterized in that when it enters the engaging hole, it abuts on the surface of the frame material to stop and engages with the engaging hole to lock the door . The engagement for raising and lowering according to claim 1, wherein the engaging hole is formed in a rectangular shape in which the extending direction of the short side having a length suitable for the outer diameter of the dead bolt is the opening / closing direction of the door. structure. The engaging structure for raising and lowering according to claim 1 or 2, wherein the receiver forms a long hole for adjustment temporary fixing that is long in the opening / closing direction of the door and a round hole for positioning and fixing. .. The engaging structure for raising and lowering according to claim 3, wherein the elongated hole and the round hole are chamfered for a countersunk tapping screw at their respective peripheral edges.

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